Thermodynamic System and Air Parcels Quiz
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Questions and Answers

What does the image below represent?

  • A thermodynamic system
  • A travel mug
  • A means for isolating fluids
  • A helpful abstraction for a parcel of air (correct)
  • In the context of atmospheric science, what is a thermodynamic system?

  • A specific part of the universe separated from the rest of the universe by boundaries (correct)
  • A tool for analyzing cloud development
  • A device to measure temperature changes
  • A method for isolating different types of gases
  • In the context of atmospheric stability, what does cold air above warm air indicate?

  • Conditionally unstable
  • Unstable (correct)
  • Neutrally stable
  • Stable
  • What type of contrasts cause vertical motion in the atmosphere?

    <p>Density</p> Signup and view all the answers

    What is the name for the change in temperature/size of an air parcel without addition or removal of heat?

    <p>Adiabatic process</p> Signup and view all the answers

    What is the value of dry adiabatic lapse rate?

    <p>$10°C$ per $1000 m$</p> Signup and view all the answers

    What happens to a rising air parcel as long as it remains unsaturated?

    <p>It expands and cools by 10°C per kilometre</p> Signup and view all the answers

    What determines stability in the atmosphere?

    <p>The temperature of a rising air parcel compared to the temperature of the surrounding environment</p> Signup and view all the answers

    What serves as a proxy for density in the atmosphere?

    <p>Temperature</p> Signup and view all the answers

    What is an absolutely stable environment characterized by?

    <p>ELR &lt; Saturated adiabatic lapse rate</p> Signup and view all the answers

    What does a radiosonde measure and transmit?

    <p>Pressure, temperature, and humidity</p> Signup and view all the answers

    What provides the vertical profile of the horizontal wind in the atmosphere?

    <p>Radiosonde</p> Signup and view all the answers

    What occurs when the environmental lapse rate is less than the saturated adiabatic lapse rate?

    <p>An absolutely stable atmosphere</p> Signup and view all the answers

    When are air parcels colder than the surrounding air expected to behave?

    <p>Sink</p> Signup and view all the answers

    In what type of environment does air parcels warmer than surrounding air tend to do?

    <p>Rise</p> Signup and view all the answers

    When is the local environment considered unstable?

    <p>When temperature in the atmosphere decreases faster than temperature of rising air parcel</p> Signup and view all the answers

    In the context of atmospheric science, what is a thermodynamic system?

    <p>A specific part of the universe separated from the rest by boundaries</p> Signup and view all the answers

    What does cold air above warm air indicate in the context of atmospheric stability?

    <p>Conditionally unstable</p> Signup and view all the answers

    What type of contrasts cause vertical motion in the atmosphere?

    <p>Density</p> Signup and view all the answers

    What serves as a proxy for density in the atmosphere?

    <p>Temperature</p> Signup and view all the answers

    What occurs when the environmental lapse rate is less than the saturated adiabatic lapse rate?

    <p>Clouds form as air rises and cools</p> Signup and view all the answers

    What is an absolutely stable environment characterized by in the context of atmospheric stability?

    <p>Vertical motion is often adiabatic</p> Signup and view all the answers

    In the context of atmospheric stability, what serves as a proxy for density in the atmosphere?

    <p>Altitude</p> Signup and view all the answers

    What occurs when the environmental lapse rate is less than the saturated adiabatic lapse rate?

    <p>A stable atmosphere</p> Signup and view all the answers

    What does a radiosonde measure and transmit in the atmosphere?

    <p>Pressure, temperature, and humidity</p> Signup and view all the answers

    When are air parcels colder than the surrounding air expected to behave in the atmosphere?

    <p>They sink</p> Signup and view all the answers

    What type of contrasts cause vertical motion in the atmosphere?

    <p>Temperature contrasts</p> Signup and view all the answers

    What is an absolutely stable environment characterized by in the context of atmospheric science?

    <p>ELR &lt; Saturated adiabatic lapse rate</p> Signup and view all the answers

    What is the name for the change in temperature/size of an air parcel without addition or removal of heat?

    <p>Adiabatic process</p> Signup and view all the answers

    What does cold air above warm air indicate in the context of atmospheric stability?

    <p>Unstable environment</p> Signup and view all the answers

    What type of environment does air parcels warmer than surrounding air tend to experience in the atmosphere?

    <p>Stable environment</p> Signup and view all the answers

    What is an absolutely stable atmosphere characterized by?

    <p>Environmental lapse rate less than saturated adiabatic lapse rate</p> Signup and view all the answers

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